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6711316: Open source the Garbage-First garbage collector

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First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
This commit is contained in:
Y. Srinivas Ramakrishna 2008-06-05 15:57:56 -07:00
parent 39463bb3fc
commit 18f3386a98
215 changed files with 36088 additions and 1249 deletions
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36
hotspot/src/share/vm/runtime/thread.cpp
View file

@ -1138,6 +1138,10 @@ void WatcherThread::print_on(outputStream* st) const {
void JavaThread::initialize() {
// Initialize fields
// Set the claimed par_id to -1 (ie not claiming any par_ids)
set_claimed_par_id(-1);
set_saved_exception_pc(NULL);
set_threadObj(NULL);
_anchor.clear();
@ -1209,7 +1213,18 @@ void JavaThread::initialize() {
pd_initialize();
}
JavaThread::JavaThread(bool is_attaching) : Thread() {
#ifndef SERIALGC
SATBMarkQueueSet JavaThread::_satb_mark_queue_set;
DirtyCardQueueSet JavaThread::_dirty_card_queue_set;
#endif // !SERIALGC
JavaThread::JavaThread(bool is_attaching) :
Thread()
#ifndef SERIALGC
, _satb_mark_queue(&_satb_mark_queue_set),
_dirty_card_queue(&_dirty_card_queue_set)
#endif // !SERIALGC
{
initialize();
_is_attaching = is_attaching;
}
@ -1255,7 +1270,13 @@ void JavaThread::block_if_vm_exited() {
// Remove this ifdef when C1 is ported to the compiler interface.
static void compiler_thread_entry(JavaThread* thread, TRAPS);
JavaThread::JavaThread(ThreadFunction entry_point, size_t stack_sz) : Thread() {
JavaThread::JavaThread(ThreadFunction entry_point, size_t stack_sz) :
Thread()
#ifndef SERIALGC
, _satb_mark_queue(&_satb_mark_queue_set),
_dirty_card_queue(&_dirty_card_queue_set)
#endif // !SERIALGC
{
if (TraceThreadEvents) {
tty->print_cr("creating thread %p", this);
}
@ -3034,9 +3055,14 @@ jint Threads::create_vm(JavaVMInitArgs* args, bool* canTryAgain) {
#ifndef SERIALGC
// Support for ConcurrentMarkSweep. This should be cleaned up
// and better encapsulated. XXX YSR
if (UseConcMarkSweepGC) {
ConcurrentMarkSweepThread::makeSurrogateLockerThread(THREAD);
// and better encapsulated. The ugly nested if test would go away
// once things are properly refactored. XXX YSR
if (UseConcMarkSweepGC || UseG1GC) {
if (UseConcMarkSweepGC) {
ConcurrentMarkSweepThread::makeSurrogateLockerThread(THREAD);
} else {
ConcurrentMarkThread::makeSurrogateLockerThread(THREAD);
}
if (HAS_PENDING_EXCEPTION) {
vm_exit_during_initialization(Handle(THREAD, PENDING_EXCEPTION));
}